To provide a belt conveyor which is not cleaned but disposed by using a roll paper in a sanitary conveyor as a belt.

The sanitary belt conveyor is used for a conveying belt in a food, cosmetics or medicine factory while a roll-like paper belt 30 with a paper-made or non-woven fabric-made sheet wound thereon, or the belt is a single-direction feed paper belt conveyor used for conveying works which are liquid, powder or gel-like separated substances and stain the belt during the conveyance, or must avoid work pollution caused by deposits on the belt surface, and the roll-like paper belt after being conveyed is not cleaned but disposed. An upper surface of a frame 1 forms a slide bed, and a roll paper for feeding is provided on a tail portion of the conveyor frame 1, and a driving unit 3 for performing the friction drive by holding the paper belt 30 by a holding roller 22 and a driving drum 16 by the self weight or the spring pressure is provided on a head portion.